Seiko Cal. 5623 - 731

The Seiko 5623-731 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6255bcfb7386]

Also known as: Goldfeather, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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